[Alignment][NFC] getMemoryOpCost uses MaybeAlign

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet

Subscribers: nemanjai, hiraditya, kbarton, MaskRay, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69307

2 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
index 11c99aa1117..32eebf0c88c 100644
--- a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
@@ -259,7 +259,7 @@ void SystemZTTIImpl::getUnrollingPreferences(Loop *L, ScalarEvolution &SE,
       }
       if (isa<StoreInst>(&I)) {
         Type *MemAccessTy = I.getOperand(0)->getType();
-        NumStores += getMemoryOpCost(Instruction::Store, MemAccessTy, 0, 0);
+        NumStores += getMemoryOpCost(Instruction::Store, MemAccessTy, None, 0);
       }
     }
 
@@ -995,7 +995,7 @@ static bool isBswapIntrinsicCall(const Value *V) {
 }
 
 int SystemZTTIImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
-                                    unsigned Alignment, unsigned AddressSpace,
+                                    MaybeAlign Alignment, unsigned AddressSpace,
                                     const Instruction *I) {
   assert(!Src->isVoidTy() && "Invalid type");
 
diff --git a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
index 3ba80b31439..c246ca46206 100644
--- a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
@@ -87,7 +87,7 @@ public:
                          const Instruction *I = nullptr);
   int getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
   bool isFoldableLoad(const LoadInst *Ld, const Instruction *&FoldedValue);
-  int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
+  int getMemoryOpCost(unsigned Opcode, Type *Src, MaybeAlign Alignment,
                       unsigned AddressSpace, const Instruction *I = nullptr);
 
   int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,